Portable electric grinder



FIG. 1 is a front, top and right side perspective view of a portable electric grinder showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a portable electric grinder, as shown. 